HUANG Si-ping1，2, LI Yu-hu1*，ZHAO Yu-jie1
(1 College of Chemistry and Materials Science, Shaanxi Normal University, Xi′an 710062, Shaanxi, China;2 School of Chemmistry and Engineering, Xianyang Normal University，Xianyang 712000，Shaanxi, China)
Abstract:
To investigate white educt occurred at simulated earthen pit in Shaanxi Normal University, using conventional qualitative and quantitative analysis method, components and contents of soluble salts at different position are analyzed . The surface morphology of the samples are comprehensively measured by XRD and SEM. The results show that the white educts are NaCl and Na2SO4 with big diffusion coefficients, and CaSO4 with slight solubility. With increase of depth, NaCl and KCl are dominant, but content of CaSO4 are little. The results also indicate that the distribution of salts is closely related to water movement. These results provide useful information on conservation of earthen sites.
KeyWords:
earthen sites； soluble salt； micro-solubility salts； distribution； water movement
